Apparent molar volumes of electrolytes. Part 1.—Some 1—1, 1—2, 2—1, 3—1 electrolytes in aqueous solution at 25°C
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 62, 2348-2354
- https://doi.org/10.1039/tf9666202348
Abstract
The apparent molar volumes of HCl, KNO3, Na2SO4, K2SO4, MgCl2, CaCl2, BaCl2 and LaCl3 have been determined in the concentration range 0.001–1.0 M, using a magnetically operated dilatometer.4 The Debye-Hückel limiting slope is satisfactorily approached for the electrolytes studied. The apparent molar volumes at infinite dilution, obtained by extrapolation from very dilute solutions and using the theoretical limiting slope, are lower than those reported previously. These latter have, in general, been obtained by extrapolation from much higher concentrations than those employed here.Keywords
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